WO2000033901A9 - Implantable vascular access device - Google Patents
Implantable vascular access deviceInfo
- Publication number
- WO2000033901A9 WO2000033901A9 PCT/US1999/028695 US9928695W WO0033901A9 WO 2000033901 A9 WO2000033901 A9 WO 2000033901A9 US 9928695 W US9928695 W US 9928695W WO 0033901 A9 WO0033901 A9 WO 0033901A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- septum
- port
- access port
- fluid
- housing
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
- A61M2039/0211—Subcutaneous access sites for injecting or removing fluids with multiple chambers in a single site
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
- A61M2039/0226—Subcutaneous access sites for injecting or removing fluids having means for protecting the interior of the access site from damage due to the insertion of a needle
Definitions
- the present invention relates generally to a subcutaneously implantable vascular
- the present invention relates to an access port having a
- Access portals, or ports provide a convenient method to repeatedly deliver
- the port is
- the port may also be used for blood
- Known ports typically include a chamber accessible through a self-sealing
- Septums of the prior art vary in shape, from a wafer-like cylindrical block of
- molded septum of U.S. Pat. No. 4,802,885 includes opposed convex surfaces and a
- peripheral ledge
- a caregiver locates the septum of the port by palpitation.
- Port access is accomplished by percutaneously inserting a needle, typically a non-coring needle, perpendicularly through the septum of the port and into the chamber.
- the drug or fluid is then administered by bolus injection or continuous infusion. Ordinarily the fluid flows through the chamber, into a catheter and finally to the site where the fluid is
- constructions such as titanium, or stainless steel provide a port which is both
- nicks and scratches could lead to nidus, blood clots, or precipitation formations.
- a variety of implantable devices known as subcutaneous access ports, are also known as subcutaneous access ports.
- access ports typically include a needle-impenetrable housing which encloses one or more
- the access port is implanted in the body.
- a needle-penetrable septum is received in and
- each of the fluid cavities for dispensing medication therefrom to a predetermined location
- quantities of medication or blood may be dispensed from one such fluid cavity by
- This medication is directed through the distal end of the catheter to an entry point into the venous system of the body of the patient.
- Blood may also be withdrawn for sampling from the body of a patient through
- the withdrawal route is flushed with a saline
- the septum in the same manner as if a medication were being infused.
- Continual access involves the use of a non-coring needle attached to an
- ambulatory-type pump or the IV bag continually feeds the medication or fluid through
- some access ports incorporate a raised circular ring located about the outer
- access ports are provided.
- access ports constructed utilizing titanium or stainless steel materials produce an interfering or blurred image of the body of the patient in the vicinity
- MRI magnetic resonance imaging
- CAT scans computerized tomography
- fluid cavity is to direct the flow of the fluid through an exit passageway.
- turbulence arises, taking the form of a vortex, adjacent to
- dead spaces usually occur in areas of transition, such as where the
- the fluid cavity meets the exit passageway through which the fluid must flow.
- the positioning of the septums within the housing is a compromise between two conflicting
- septums may be easily differentiated for the purpose of injection and the need to restrict
- passageways from each fluid cavity be closely spaced at the point where the implanted catheter is to be coupled to the access port.
- each fluid cavity has been designated with its own
- distal end may not have any of the distal tip of the catheter removed without
- the present invention fulfills these needs and provides other related advantages.
- the present invention provides an improved vascular access port
- a single reservoir is provided.
- plural reservoirs are provided.
- the metallic bottom of the reservoir is provided.
- the plastic must be of a bio-compatible and
- the yield and creep strength and flexure modulus of the material is
- the present invention provides an implantable
- access port comprising a housing member defining at least one fluid chamber.
- a permeable septum member is attached to the housing and defining the top of the fluid
- An exit port is provided to permit egress of fluid from within the fluid chamber.
- the cup may be made of stainless steel, titanium or ceramic (alumina or
- the insert is formed, cast, machined or molded into a
- the port assembly can include a top or retaining ring(s). This top retains the
- attachment of the top can be achieved by interference fits, bonding with a biocompatible
- Each port has a stem or catheter adapter which enables a fluid path between the
- biocompatible and chemically inert materials that are also strong such as stainless steel or
- the stem for the single port has one fluid channel straight through its body.
- the dual version has two channels which angle out to the sides in order to meet with the walls
- Both these stems have barbs for locking into the plastic body. Barb(s) are also found on the distal end for attachment to the catheter.
- the dual version has a
- the septums for these ports are intended to assist in the location (and in the case
- the two styles include concave and convex shapes.
- the local is determined by palpitation of the skin over the
- the concave side feels different than the convex side.
- convex feature has a nipple shape. Both septums are designed to fit into the port body
- the septum is intended to be self sealing under the
- non-coring needles are used by
- septums is silicone, but other biocompatible elastomer materials may be used.
- the present invention provides low cost, yet durable
- the port(s) can be manufactured from
- This plastic port features a metallic (titanium, stainless steel or
- the port of the present invention features a titanium shield molded into a plastic port top around the rubber septum to prevent needle
- FIGS 1A-1D depict various views of the preferred dual-port implantable access
- FIGS. 2A-2E depict various views of the preferred single-port implantable access device of the present invention.
- FIGS. 3A-3D depict various views of another embodiment of the implantable
- Figure 4 depicts an alternative embodiment of the cup member of Figures 1-3; and Figures 5 A and 5B depict views of another alternative embodiment of the cup
- FIGS 1A-1D depict various views of the preferred dual-port implantable access
- the port 10 generally comprises a housing member
- the housing 12 is preferably formed of titanium, stainless steel,
- the septum 16A and 16B is preferably
- An exit port 18 is provided in
- the septums 16 are formed with a generally circular shape, and, as shown in the
- drawings may include a nipple 26 or a concave portion 28 on the outer surface thereof.
- the nipple is advantageous for visual and/or tactile location of the port device 10, and as
- concave portion 28 provides similar features
- housing 12 are preferably formed with mated tongue and groove portions, as
- the housing may further include molded top member 24 which press against the septum for further stability.
- the cup portion 14 is
- cup 14A and 14B is attached to housing 12 via insert molding, interference fit, ultrasonic
- FIGS. 2A-2E depict a
- Figure 3A-3D depict another embodiment of the port device of the present
- the cup member 14' includes sidewall portions 28 that
- cup member 22' are dimensioned to fit within the chamber 22', defined by housing 12'.
- the septum 16' is similar to the septum 16A and/or 16B and may also include a nipple or concave portion,
- a metal ring 30 is provided which circumscribes
- the ring 30 preferably
- flange members 32 which have an upper surface dimensioned so as to urge a
- the ring structure is formed of titanium, stainless steel or
- the ring member 30 since the ring member 30 will protect the other components, the housing
- FIGS. 4 and 5A-5B depict alternative embodiments for the cup member described above in Figures 1-3.
- the cup member 14" defines an exit port 18' therein, and preferably located at the bottom portion of the cup 14", as shown.
- a stem 20' is connected to the port 18' at one end, and a catheter 36 is connected to the other end of the stem 20'.
- the stem 20' includes an elbow, or angled portion, to direct fluid sideways away from the port, as shown.
- the cup 14'" is formed with a flange 40 to define an opening 38 that is dimensioned to accept a stem 20" therein.
- the cup 14" and/or 14'" are provided to better anatomically fit into the subcutaneous areas around muscle tissue, and each are connected to the housing (not shown) in a manner similar to the embodiments of Figures 1, 2 or 3.
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU20399/00A AU2039900A (en) | 1998-12-07 | 1999-12-03 | Implantable vascular access device |
EP99964086A EP1137451A4 (en) | 1998-12-07 | 1999-12-03 | Implantable vascular access device |
US09/582,406 US6527754B1 (en) | 1998-12-07 | 1999-12-03 | Implantable vascular access device |
US10/374,000 US7713251B2 (en) | 1998-12-07 | 2003-02-25 | Implantable vascular access device with ceramic needle guard insert |
US11/320,223 US8177762B2 (en) | 1998-12-07 | 2005-12-28 | Septum including at least one identifiable feature, access ports including same, and related methods |
US12/778,093 US8409153B2 (en) | 1998-12-07 | 2010-05-11 | Implantable vascular access device |
US13/471,219 US8608713B2 (en) | 1998-12-07 | 2012-05-14 | Septum feature for identification of an access port |
US13/855,058 US20130218103A1 (en) | 1998-12-07 | 2013-04-02 | Implantable Vascular Access Device |
US14/104,354 US20140100534A1 (en) | 1998-12-07 | 2013-12-12 | Septum Feature for Identification of an Access Port |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11125798P | 1998-12-07 | 1998-12-07 | |
US60/111,257 | 1998-12-07 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/582,406 A-371-Of-International US6527754B1 (en) | 1998-12-07 | 1999-12-03 | Implantable vascular access device |
US09582406 A-371-Of-International | 1999-12-03 | ||
US10/374,000 Continuation US7713251B2 (en) | 1998-12-07 | 2003-02-25 | Implantable vascular access device with ceramic needle guard insert |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000033901A1 WO2000033901A1 (en) | 2000-06-15 |
WO2000033901A9 true WO2000033901A9 (en) | 2000-11-09 |
Family
ID=22337444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/028695 WO2000033901A1 (en) | 1998-12-07 | 1999-12-03 | Implantable vascular access device |
Country Status (4)
Country | Link |
---|---|
US (4) | US6527754B1 (en) |
EP (1) | EP1137451A4 (en) |
AU (1) | AU2039900A (en) |
WO (1) | WO2000033901A1 (en) |
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US8932271B2 (en) | 2008-11-13 | 2015-01-13 | C. R. Bard, Inc. | Implantable medical devices including septum-based indicators |
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- 1999-12-03 AU AU20399/00A patent/AU2039900A/en not_active Abandoned
- 1999-12-03 WO PCT/US1999/028695 patent/WO2000033901A1/en active Application Filing
-
2003
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2010
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2013
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US8992415B2 (en) | 2010-04-30 | 2015-03-31 | Apollo Endosurgery, Inc. | Implantable device to protect tubing from puncture |
US9125718B2 (en) | 2010-04-30 | 2015-09-08 | Apollo Endosurgery, Inc. | Electronically enhanced access port for a fluid filled implant |
US9192501B2 (en) | 2010-04-30 | 2015-11-24 | Apollo Endosurgery, Inc. | Remotely powered remotely adjustable gastric band system |
US8905916B2 (en) | 2010-08-16 | 2014-12-09 | Apollo Endosurgery, Inc. | Implantable access port system |
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Also Published As
Publication number | Publication date |
---|---|
EP1137451A4 (en) | 2003-05-21 |
EP1137451A1 (en) | 2001-10-04 |
US6527754B1 (en) | 2003-03-04 |
US8409153B2 (en) | 2013-04-02 |
AU2039900A (en) | 2000-06-26 |
WO2000033901A1 (en) | 2000-06-15 |
US7713251B2 (en) | 2010-05-11 |
US20100280465A1 (en) | 2010-11-04 |
US20030181878A1 (en) | 2003-09-25 |
US20130218103A1 (en) | 2013-08-22 |
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